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102220002122 = 2729207249989
BaseRepresentation
bin101111100110011001…
…0010111001101001010
3100202211212222010122112
41133030302113031022
53133321310031442
6114543105222322
710246051452620
oct1371462271512
9322755863575
10102220002122
113a3955875a7
12179893319a2
139840725474
144d39c27510
1529d40a8082
hex17ccc9734a

102220002122 has 16 divisors (see below), whose sum is σ = 175240990080. Its totient is φ = 43806897168.

The previous prime is 102220002121. The next prime is 102220002127. The reversal of 102220002122 is 221200022201.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 102220002097 and 102220002106.

It is not an unprimeable number, because it can be changed into a prime (102220002121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 283904 + ... + 533892.

It is an arithmetic number, because the mean of its divisors is an integer number (10952561880).

Almost surely, 2102220002122 is an apocalyptic number.

102220002122 is a deficient number, since it is larger than the sum of its proper divisors (73020987958).

102220002122 is a wasteful number, since it uses less digits than its factorization.

102220002122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279205.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 102220002122 its reverse (221200022201), we get a palindrome (323420024323).

The spelling of 102220002122 in words is "one hundred two billion, two hundred twenty million, two thousand, one hundred twenty-two".

Divisors: 1 2 7 14 29207 58414 204449 249989 408898 499978 1749923 3499846 7301428723 14602857446 51110001061 102220002122